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1979 Honda CB750F Fuel Tank Parts & Petcocks

Restore the 1979 CB750F tank’s sealing and support with the correct petcock, cap seal and mounting rubbers. Check the actual tank connection first, then distinguish the two front supports from the single rear support when planning quantities.

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Currently viewing Gas Tanks, Caps, Petcocks & Parts

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Honda CB750 CB900 rear fuel tank holder rubber 02 - 6553 17613-438-000

Rear Fuel Tank Holder Rubber 02-6553

$21.15 USD
02-6553
Secure the rear of your fuel tank properly with this Rear Fuel Tank Holder Rubber, designed as a direct replacement for the original Honda...
Honda CB750 CB650 CB400 gas cap rubber seal 17632-422-000

Honda CB750 / CB650 / CB400 Gas Cap Rubber Seal ~ Replaces 17632-422-000

$7.95 USD
20-0096
Replace your DOHC Honda gas cap rubber seal with this Gas Cap Rubber Seal, replacing OEM #17632-422-000.Key Features• Gas cap rubber seal• Replaces OEM...
Honda CB front fuel tank holder rubber 17611-425-000

Honda CB Front Fuel Tank Holder Rubber ~ Replaces 17611-425-000

$7.87 USD
02-6551
Keep your fuel tank snugly mounted at the front with this Front Fuel Tank Holder Rubber, a direct replacement for OEM #17611-425-000. Fits the...
Honda CB900C CB750F fuel petcock 16950-438-305

1979-80 Honda CB900C / CB750F Fuel Petcock ~ Replaces 16950-438-305

$54.95 USD
20-8042
Replace your DOHC CB's smaller-thread fuel petcock with this Fuel Petcock, replacing OEM #16950-438-305 with M16 x 1.5 threads.Note: these bikes came with either...
Honda CB750 CB650 fuel tank emblem screw set

Honda CB750 / CB650 Fuel Tank Emblem Screw Set

$4.95 USD
01-0121
Complete your fuel tank emblem installation with this Fuel Tank Emblem Screw Set of 4, a direct replacement for OEM #93700-04006-0G. Enough hardware for...
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1979 Honda CB750F · Tank Parts & Petcocks Buying guide

Choose parts for the tank and cap fitted

Fuel-tap connections, cap seals and tank supports serve separate repairs. Identify the tank and cap retained on the motorcycle before matching replacement references, especially after a previous-owner change.

Tank parts to consider

1979-80 Honda CB900C / CB750F Fuel Petcock ~ Replaces 16950-438-305 Smaller-thread petcockPetcock 20-8042 replaces 16950-438-305 and specifies M16 × 1.5 threads with a 14.6 mm nut-thread diameter.View part Honda CB750 / CB650 / CB400 Gas Cap Rubber Seal ~ Replaces 17632-422-000 Fuel-cap rubber sealSeal 20-0096 replaces 17632-422-000; compare it with the cap being retained.View part Rear Fuel Tank Holder Rubber 02-6553 Rear tank holderRear support 02-6553 replaces 17613-438-000 and lists the 1979–81 CB750F.View part

Related parts: Front tank support · Tank-emblem screw set

Front and rear supports

Front rubber 02-6551 replaces 17611-425-000 and is sold individually; the supplier lists two front supports per motorcycle. Rear holder 02-6553 uses the separate reference 17613-438-000, with one used at the rear. Order the parts needed for the supports being renewed.

Emblem hardware

Screw set 01-0121 contains four screws replacing 93700-04006-0G, enough for both compatible tank emblems. The emblems themselves are separate parts; compare the fitted screw attachment before ordering.

Tank-part questions

Can I substitute the larger-thread petcock linked in the listing?

Petcock 20-8042 points to 20-8041 as the larger connection option, but 20-8041 itself specifies M18 × 1.0 threads and lists the 1981 CB750F. That cross-reference does not establish a 1979 application for the alternate valve. Have the actual tank connection matched before choosing it.

Is the earlier CB750F cap seal the same replacement?

No shared replacement reference is stated. Seal 20-0096 replaces 17632-422-000 and lists the 1979–80 CB750F; seal 20-0097 replaces 17631-329-003 and lists the 1975–78 F. Match the fitted cap to the appropriate reference, particularly if the tank or cap has been changed.

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